Electrolysis of water is a type of ________ reaction.
Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is :
The process of purification of an impure metal is like : (a) electroplating a metal on the same type of metal (b) electroplating a metal on another type of metal (c) producing a chemical compound by electrolysis (d) decomposing a chemical compound by electrolysis.